ICSE Class 9 Physics Contact and Non-contact Forces
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Force and Pressure
Contact forces -
Force and Pressure
Concept of non-contact forces, their characteristics & examples.
- mass and weight both are same
- explain normal reaction force with a help of proper diagram
- why friction is important ?
- What if friction is not in the world?
- SIR PLEASE ANSWER MY QUESTION QUICKLY. A 8000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontal track. If the engine exerts a force of 40000 N and the track offers a friction force of 5000 N, then calculate: (a) the net accelerating force; (b) the acceleration of the train; and (c) the force of wagon 1 on wagon 2.
- Give one example in each case a) the force is of contact b) force is at a distance
- Define the Normal Reaction force.